Compare software

Kaku vs Ghostty: catalog facts
Kaku	Ghostty
Free Free to download; source code is published on GitHub.	Free Free and open source under the MIT licence, created by Mitchell Hashimoto.
macOS	macOS, Linux
Works out of the box with no configuration required Tuned for AI coding workflows in the terminal	GPU rendering with genuinely native window chrome on each platform Very thorough terminal emulation, including the awkward edge cases
macOS only Younger project with less shared documentation	No Windows build Younger than the alternatives, with a smaller body of shared configuration
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.